GB512693A - Improvements in electric incandescent lamps for use in mines - Google Patents

Improvements in electric incandescent lamps for use in mines

Info

Publication number
GB512693A
GB512693A GB7925/38A GB792538A GB512693A GB 512693 A GB512693 A GB 512693A GB 7925/38 A GB7925/38 A GB 7925/38A GB 792538 A GB792538 A GB 792538A GB 512693 A GB512693 A GB 512693A
Authority
GB
United Kingdom
Prior art keywords
mines
electric incandescent
incandescent lamps
leading
wires
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB7925/38A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CEAG Concordia Elekrizitats AG
Original Assignee
CEAG Concordia Elekrizitats AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CEAG Concordia Elekrizitats AG filed Critical CEAG Concordia Elekrizitats AG
Publication of GB512693A publication Critical patent/GB512693A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body

Landscapes

  • Resistance Heating (AREA)
GB7925/38A 1937-04-21 1938-03-14 Improvements in electric incandescent lamps for use in mines Expired GB512693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE512693X 1937-04-21

Publications (1)

Publication Number Publication Date
GB512693A true GB512693A (en) 1939-09-22

Family

ID=6548203

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7925/38A Expired GB512693A (en) 1937-04-21 1938-03-14 Improvements in electric incandescent lamps for use in mines

Country Status (3)

Country Link
BE (1) BE427077A (enrdf_load_stackoverflow)
FR (1) FR835248A (enrdf_load_stackoverflow)
GB (1) GB512693A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE427077A (enrdf_load_stackoverflow)
FR835248A (fr) 1938-12-15

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